Comparison

Fluids & Particle Simulation vs Atomus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fluids & Particle Simulation

Create mesmerizing, psychedelic fluid art with your fingertips. This app offers a calming and creative outlet to reduce stress and channel negative emotions into beautiful, flowing patterns. Enjoy a unique ASMR experience with sound-reactive visuals and customizable parameters.

Highlights
  • Interactive fluid art simulation
  • Sound-reactive fluids
  • Dozens of customizable parameters
  • Autopilot mode
  • Gyrosensor and haptic feedback integration
  • Real-time sound synthesis
  • Video recording and screenshot functionality
Read full description

Are you stressed and agitated? Do you want to channel your negative energies into something soulful and creatively free till you feel calm? The Fluids and Sounds app can help you - create satisfying, trippy and psychedelic art with your fingertips. This app helps you to reduce stress and calm down. Now you can touch on your screen to simulate colorful and luminescent fluids that flow with your touch movements. Create extraordinary patterns with single touch or multiple touches on the screen and delve deeper into a world of creative fascination and magical freedom till you feel the connection to our universe. --- Features of Fluids and Sounds --- - Wonderful and easy fluid art simulation - Sound reactive fluids (synchronize to your favorite music) - Dozens of parameters to play around with (color, bloom, sunrays, resolution, force and more) - Autopilot included. Let the fluids flow without interacting with the app. You also could stream this to a bigger screen using AirPlay. Please note: Autopilot is not generating sounds. - Gyrosensor, haptic feedback and force touch are integrated (if you want to use them) - Realtime sound synthesis for meditating music - Take screenshots and share them with anyone you like - Record videos of your fluids (please note: Videos are not including the fluid sounds, only the background music, also video recording excludes the UI, so you'll only record what matters - your art) - Save and load your favorite settings using presets --- Feel Free, Calm and Relaxed --- Art is a form of expression and expression helps in catharsis of inexplicable things we feel every day. If you think you suck at art or expression, this app offers you a safe, easy and creative outlet to channel your thoughts into wonderful art impressions that disappear intermittently. Allow yourself to come down and play around with Fluids & Shapes for some minutes to make beautiful expressions on your device’s screen. --- Seek Awareness and Peace --- You feel like the world is too overwhelming and you need to get a bit of awareness? Protect your peace from getting drowned in a pool of negative emotions such as stress, anxiety, agitation, depression etc. Seek awareness and peace the minute you open this app and make the most of your free time with this free, amazing app. --- Create Wonderful Fluid Art Impressions --- Use your fingertips to create wonderful forms and shapes on your device. While you do so, you can listen to relaxing music which is generated in realtime, depending on your input. Get in tune with the relaxing art and music as you make beautiful patterns on your screen. Customize the intensity, color dispersion, vortex index, music effects, waves and other items from the menu to enjoy a more personalized fluid art meditation and relaxation. Are you ready to feel the satisfaction of creative freedom and its impact on your mental wellbeing? The new fluid art meditation and stimulation app is here for you. Enjoy breathtaking art patterns and soulful music till you feel calm and relaxed. Download and use Fluids and Sounds today! Hope you'll enjoy, because we believe you deserve to feel calm and relaxed! Do you have ideas for new features or improvements? You are not satisfied with this app? Feel free to send me a message at info@mkgames.org Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Atomus

This app is an interactive visualizer that creates beautiful, dynamic art inspired by natural phenomena and abstract concepts. It offers customizable particle effects, multi-touch interaction, and music integration, designed to inspire creativity or provide a relaxing visual experience.

Highlights
  • 10-Finger Multi-touch Display
  • 5 Music Choices
  • Fastest Speed (60 FPS)
  • 12,000 Particles
  • Customizable Particle Length, Number, & Size
  • 3-Color Modes
Features
Read full description

#ATOMUS — A Living Kinetic Universe in Your Hands Touch energy. Shape motion. Watch light come alive. ATOMUS transforms your screen into a living kinetic universe where thousands of particles react instantly to every movement, creating flowing structures, cosmic patterns, and mesmerizing visual motion that feels both dynamic and calming. Designed for moments when you want to reset your mind, explore visual creativity, or simply watch something beautiful evolve under your fingertips, ATOMUS offers a unique sensory experience between digital art and meditation. Every touch creates shifting forms that can feel like fireworks, auroras, galaxies, waves, atomic structures, or living energy — always moving, always changing. ## Why users love ATOMUS • Deeply immersive touch interaction • Hypnotic moving particle structures • Ideal for creative focus and visual relaxation • A satisfying sensory experience that never feels the same twice • Beautiful for both quiet moments and playful exploration ## A Dynamic Visual Experience ATOMUS is inspired by: • fireworks • whirlwinds • fireflies • auroras • rainbows • waves • atomic forms Each interaction creates evolving structures that feel alive and endlessly surprising. ## Real-Time Performance • Up to 12,000 particles in real time • Smooth 60 FPS rendering • 10-finger multi-touch support • Adjustable particle size, quantity, and trail length • 3 color modes: Neon, Crystal, Nature • Built-in music by Aden Ray (optional) ## Free Version Enjoy ATOMUS for free. Upgrade to HD for: • 2× more particles • Ad-free experience • Richer visual density ## Support If you have ideas, questions, or feedback, I would love to hear from you. sunglab@gmail.com http://www.sunglab.com

Screenshots

Fluids & Particle Simulation4 screens
Atomus4 screens

Verdict

The call

The clearest difference is in-app purchases: Atomus at none against Fluids & Particle Simulation's 8. Fluids & Particle Simulation's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days. Atomus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Fluids & Particle Simulation against 4.8 for Atomus. Both are backed by a comparable volume of ratings — 770 and 524 respectively. Written reviews split almost evenly too, at 90% and 90% positive.

UpkeepUpdate frequency

Fluids & Particle Simulation ships an update monthly, Atomus every 2 months. The most recent releases landed on August 16, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Fluids & Particle Simulation versus Atomus: the parameters behind the verdict, then further details
ParameterFluids & Particle SimulationAtomus
PriceFreeFree
Rating4.7 (770 ratings)4.8 (524 ratings) — better
Positive reviews89.6% of reviews90.0% of reviews — better
Number of ratings770 — better524
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size189 MB91 MB
Age rating4+4+
DeveloperZipoAppsSungLab Inc

Customer experience

Fluids & Particle Simulation

All ratings770 ratings
Positive94.2%
Neutral2.9%
Negative3.0%
Written reviews125 reviews
Positive89.6%
Neutral4.0%
Negative6.4%

Atomus

All ratings524 ratings
Positive94.1%
Neutral2.5%
Negative3.4%
Written reviews150 reviews
Positive90.0%
Neutral4.0%
Negative6.0%

User reviews

Fluids & Particle Simulation

From 770 App Store ratings

What we love

  • 🚀 Mesmerizing visuals
  • 👍 Relaxing and calming experience
  • 🎨 Customizable color and fluid effects
  • 🎶 Enjoyable audio/music integration
  • 💡 Innovative and creative app concept

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔋 Device overheating issues
  • 💰 Paid features may be too expensive
  • 🔇 Lack of volume/audio control options

Atomus

From 524 App Store ratings

What we love

  • 👍 Relaxing and calming experience
  • 🚀 Smooth and responsive
  • 💡 Customizable particle effects
  • 🔒 No ads or in-app purchases

Room to improve

  • 🐛 Occasional crashes or performance issues
  • 💡 Limited color and customization options
  • 🔋 Drains battery life quickly

Bugs and requests

Fluids & Particle Simulation

Reported bugs

2 issues
  • Microphone input not working as expected
  • Difficulty resetting or restoring default settings

Requested features

4 requests
  • Ability to sync visuals with external audio/music
  • More preset options and visual effects
  • Improved UI/UX for settings and controls
  • Support for casting to external displays

Atomus

Reported bugs

2 issues
  • Crashes when using more than 10 fingers
  • Inconsistent ad frequency

Requested features

3 requests
  • More color and particle effect options
  • Ability to turn off sound/music
  • Haptic feedback support

In-app purchases

8 purchases

Fluids & Particle Simulation

Subscriptions3
  • Unlock all features3 Days trial$2.997 Days
  • Unlock all | monthly premium$5.991 Month
  • Fluids PRO$17.991 Year
One-time5
  • Unlock all Presets (iOS)$1.99
  • Unlock all Presets (OS X Mac)$2.99
  • Unlock all features$14.99
Show 2 more
  • Psychedelic magic (OS X Mac)$24.99
  • Psychedelic magic (iOS)$44.99
None

Atomus

No in-app purchases

Questions

Is Fluids & Particle Simulation free?
Fluids & Particle Simulation is free to download, with in-app purchases available.
Is Atomus free?
Atomus is free to download, with no in-app purchases.
Which has better reviews, Fluids & Particle Simulation or Atomus?
Atomus is rated higher. Fluids & Particle Simulation averages 4.7 out of 5 from 770 ratings, while Atomus averages 4.8 from 524 ratings.
Do Fluids & Particle Simulation or Atomus have ads?
Atomus shows ads; Fluids & Particle Simulation does not.
Which is updated more often, Fluids & Particle Simulation or Atomus?
Fluids & Particle Simulation ships an update monthly, and Atomus every 2 months. Most recently, Fluids & Particle Simulation was updated on August 16, 2026 and Atomus on September 21, 2026.

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